MAGETWO-37889: Impossible to place order with Fedex as shipping method

Author: Ievgen Shakhsuvarov

app/code/Magento/Checkout/view/frontend/web/js/action/select-payment-method.js

@@ -21,10 +21,10 @@ define(
                 "paymentMethod": methodData
             };
 
-            var shippingMethodCode = quote.getSelectedShippingMethod()().split("_"),
+            var shippingMethodCode = quote.getSelectedShippingMethod()().slice(0).split("_"),
                 shippingMethodData = {
-                    "shippingCarrierCode" : shippingMethodCode[0],
-                    "shippingMethodCode" : shippingMethodCode[1]
+                    "shippingCarrierCode" : shippingMethodCode.shift(),
+                    "shippingMethodCode" : shippingMethodCode.join('_')
                 },
                 serviceUrl;
             if (quote.getCheckoutMethod()() === 'guest') {

app/code/Magento/Checkout/view/frontend/web/js/model/shipping-service.js

@@ -2,11 +2,11 @@
  * Copyright © 2015 Magento. All rights reserved.
  * See COPYING.txt for license details.
  */
-/*jshint browser:true jquery:true*/
-/*global alert*/
+/*global define*/
 define(
     ['ko', 'jquery'],
     function (ko, $) {
+        "use strict";
         var rates = ko.observable([]);
         return {
             shippingRates: ko.observableArray([]),
@@ -30,29 +30,34 @@ define(
                 return this.shippingRates;
             },
             getTitleByCode: function(methodCodeParts) {
-                var shippingMethodTitle = '';
-                if (methodCodeParts) {
-                    $.each(rates(), function (key, entity) {
-                        if (entity['carrier_code'] == methodCodeParts[0]
-                            && entity['method_code'] == methodCodeParts[1]) {
-                            shippingMethodTitle = entity['carrier_title'] + " - " + entity['method_title'];
-                        }
-                    });
+                var shippingMethodTitle = '', shippingMethodCode, carrierCode, methodCode;
+                if (!methodCodeParts) {
+                    return shippingMethodTitle;
                 }
+                shippingMethodCode = methodCodeParts.slice(0);
+                carrierCode = shippingMethodCode.shift();
+                methodCode = shippingMethodCode.join('_');
+                $.each(rates(), function (key, entity) {
+                    if (entity['carrier_code'] === carrierCode && entity['method_code'] === methodCode) {
+                        shippingMethodTitle = entity['carrier_title'] + " - " + entity['method_title'];
+                    }
+                });
                 return shippingMethodTitle;
             },
             getRateByCode : function(methodCodeParts) {
-                var shippingRates = [];
+                var shippingRates = [],
+                    shippingMethodCode = methodCodeParts.slice(0),
+                    carrierCode = shippingMethodCode.shift(),
+                    methodCode = shippingMethodCode.join('_');
                 if (methodCodeParts) {
                     $.each(rates(), function (key, entity) {
-                        if (entity['carrier_code'] == methodCodeParts[0]
-                            && entity['method_code'] == methodCodeParts[1]) {
+                        if (entity['carrier_code'] === carrierCode && entity['method_code'] === methodCode) {
                             shippingRates.push(entity);
                         }
                     });
                 }
                 return shippingRates;
             }
-        }
+        };
     }
 );